Friction Brakes - Permobil F5 Corpus Service Manual

Permobil F5 Corpus

Friction brakes

The casters are equipped with friction brakes working as
anti flutter devices.
For this task the following tools are necessary:
• 1 Torque wrench.
• 1 Deep well socket 13 mm.
Removal
1. Switch off the main power switch on the control
panel.
2. Remove the cover (1) on the link arm. See fig 51.
3. Remove the nut (2) and washer (3). See fig 51.
4. Remove the adjustment unit (4) and o-ring (6).
5. Remove the friction brake screw (5) and the friction
brake plate (7).
Assembly
Assemble in the reverse order.
1. If needed, clean the friction brake parts and the link
arm bearing house before the friction brake is fitted.
2. Apply Thread Lock Loctite 243 on the lower part of
the friction brake screw (5).
3. Assemble the friction brake plate (7) and the friction
brake screw (5), tighten the screw using a torque
wrench.Tightening torque: 24Nm / 17.7 Ft/lbs.
4. Lubricate the o-ring (6) and friction brake plate (7)
with Friction brake grease, order no: 1820405.
5. Assemble the o-ring (6) on the friction brake plate (7).
6. Lubricate the adjustment unit (4) with Friction brake
grease, order no: 1820405
7. Assemble the adjustment unit (4) by fitting it onto the
friction brake screw (5), make sure it is fitted properly
on the hex head.
8. Assemble the washer (3) and the lock nut (2).
9. Tighten the lock nut on the friction brake screw until
their tops are flush with each other.
10. Adjust the friction brake if needed. See Friction brake
adjustment, Page 141
11. Fit the cover (1) on top of the link arm. See fig 51.
L
CAUTION!
Do not use a Pneumatic impact wrench.
Other types of screws or washers are not to be used.
Do not use any other type of thread lock.
Figure 51. Friction brake.
Repairs
41